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| Research article summary (published 30 Dec 2002): |
Do intersections serve as basic features in visual search?
Full Abstract
The status of 'intersection' as a basic feature in visual search tasks has been controversial. Under some circumstances, a target possessing this attribute (eg a plus) 'pops out' of a display of distractors that lack the attribute (eg Ls). However, those cases may be artifacts of other features such as relative size or number of line terminators. We report two sets of experiments with stimuli intended to control for these factors. Search for the presence or absence of intersections is very inefficient with these stimuli. The results suggest that intersection should not be included among the list of salient features that support efficient search through visual displays.
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Author information
Author/s: Wolfe, Jeremy M (JM); DiMase, Jennifer S (JS);
Affiliation: Brigham and Women's Hospital, 221 Longwood Avenue, Boston, MA 02115, USA. wolfe(-atsign-)search.bwh.harvard.edu
Grants: EY05087 (Agency:United States NEI)
Journal and publication information
Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S.
Journal: Perception (Perception), published in England. (Language: eng)
Reference: 2003-; vol 32 (issue 6) : pp 645-56
Dates: Created 2003/08/01; Completed 2003/10/09; Revised 2007/11/14;
PMID: 12892426, status: MEDLINE (last retrieval date: 11/6/2008)
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
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